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sensors Mode-S transponder

ABF499

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N87GF · AEROSPATIALE AS-350 Ecureuil · operated by TVPX AIRCRAFT SOLUTIONS INC TRUSTEE

Hex
ABF499
Octal
52772231
Decimal
11,269,273
Country
US
Tail
N87GF
Type
AS50
No current signal · last broadcast Jul 26, 22:10 UTC
Flights observed
295
Distinct callsigns
1
Country
US
Last broadcast
Jul 26, 22:10 UTC

Last known position

Most recent position reported by Mode-S ABF499.

Country allocation

The ICAO 24-bit address ABF499 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 1 distinct

Callsign Airline Flights Last seen
N87GF - 295 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N87GF - Jul 26, 21:45 UTCJul 26, 22:10 UTC25m
2026-07-26 N87GF - Jul 26, 20:40 UTCJul 26, 21:05 UTC25m
2026-07-26 N87GF - Jul 26, 19:15 UTCJul 26, 19:55 UTC40m
2026-07-26 N87GF ENA → SOV Jul 26, 17:25 UTCJul 26, 18:00 UTC35m
2026-07-25 N87GF - Jul 25, 11:05 UTCJul 25, 11:30 UTC25m
2026-07-25 N87GF - Jul 25, 08:55 UTCJul 25, 10:00 UTC1h 5m
2026-07-25 N87GF - Jul 25, 07:55 UTCJul 25, 08:20 UTC25m
2026-07-25 N87GF - Jul 25, 00:05 UTCJul 25, 00:30 UTC25m
2026-07-24 N87GF - Jul 24, 23:00 UTCJul 24, 23:15 UTC15m
2026-07-24 N87GF - Jul 24, 21:55 UTCJul 24, 22:15 UTC20m
2026-07-24 N87GF - Jul 24, 11:45 UTCJul 24, 12:10 UTC25m
2026-07-24 N87GF - Jul 24, 08:15 UTCJul 24, 10:25 UTC2h 10m
2026-07-24 N87GF - Jul 24, 04:25 UTCJul 24, 04:55 UTC30m
2026-07-24 N87GF - Jul 24, 03:30 UTCJul 24, 03:55 UTC25m
2026-07-21 N87GF - Jul 21, 20:35 UTCJul 21, 21:05 UTC30m
2026-07-21 N87GF - Jul 21, 19:15 UTCJul 21, 20:00 UTC45m
2026-07-21 N87GF - Jul 21, 18:10 UTCJul 21, 18:45 UTC35m
2026-07-20 N87GF - Jul 20, 00:35 UTCJul 20, 01:00 UTC25m
2026-07-19 N87GF - Jul 19, 22:10 UTCJul 19, 23:10 UTC1h 0m
2026-07-19 N87GF - Jul 19, 19:50 UTCJul 19, 21:15 UTC1h 25m
2026-07-19 N87GF - Jul 19, 16:35 UTCJul 19, 17:05 UTC30m
2026-07-18 N87GF - Jul 18, 10:25 UTCJul 18, 10:55 UTC30m
2026-07-18 N87GF - Jul 18, 08:10 UTCJul 18, 09:00 UTC50m
2026-07-18 N87GF - Jul 18, 06:55 UTCJul 18, 07:25 UTC30m
2026-07-18 N87GF - Jul 18, 02:29 UTCJul 18, 02:55 UTC26m
2026-07-18 N87GF - Jul 18, 01:00 UTCJul 18, 01:50 UTC50m
2026-07-18 N87GF - Jul 18, 00:00 UTCJul 18, 00:29 UTC30m
2026-07-16 N87GF ENA → ENA Jul 16, 23:35 UTCJul 16, 23:59 UTC25m
2026-07-16 N87GF - Jul 16, 05:25 UTCJul 16, 06:00 UTC35m
2026-07-16 N87GF - Jul 16, 03:55 UTCJul 16, 04:20 UTC25m
2026-07-15 N87GF - Jul 15, 04:30 UTCJul 15, 05:00 UTC30m
2026-07-15 N87GF - Jul 15, 03:05 UTCJul 15, 03:55 UTC50m
2026-07-15 N87GF - Jul 15, 01:50 UTCJul 15, 02:20 UTC30m
2026-07-12 N87GF - Jul 12, 23:30 UTCJul 12, 23:55 UTC25m
2026-07-12 N87GF - Jul 12, 21:30 UTCJul 12, 22:05 UTC35m
2026-07-12 N87GF - Jul 12, 20:25 UTCJul 12, 21:00 UTC35m
2026-07-12 N87GF - Jul 12, 08:55 UTCJul 12, 09:25 UTC30m
2026-07-12 N87GF - Jul 12, 07:15 UTCJul 12, 08:30 UTC1h 15m
2026-07-10 N87GF - Jul 10, 17:10 UTCJul 10, 17:30 UTC20m
2026-07-10 N87GF - Jul 10, 15:50 UTCJul 10, 16:20 UTC30m
2026-07-09 N87GF - Jul 9, 22:00 UTCJul 9, 22:30 UTC30m
2026-07-09 N87GF - Jul 9, 19:25 UTCJul 9, 21:25 UTC2h 0m
2026-07-09 N87GF - Jul 9, 15:00 UTCJul 9, 15:35 UTC35m
2026-07-09 N87GF - Jul 9, 13:30 UTCJul 9, 14:25 UTC55m
2026-07-09 N87GF - Jul 9, 02:35 UTCJul 9, 03:00 UTC25m
2026-07-08 N87GF - Jul 8, 23:40 UTCJul 9, 00:50 UTC1h 10m
2026-07-08 N87GF - Jul 8, 04:00 UTCJul 8, 04:25 UTC25m
2026-07-08 N87GF - Jul 8, 00:35 UTCJul 8, 02:40 UTC2h 5m
2026-07-07 N87GF ENA → ENA Jul 7, 22:45 UTCJul 7, 23:00 UTC15m
2026-07-07 N87GF ENA → ENA Jul 7, 16:20 UTCJul 7, 16:25 UTC5m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the N87GF page for operator, model, and routing details .

Mode-S ABF499 frequently asked

What is Mode-S code ABF499?
ABF499 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N87GF.
Where is Mode-S ABF499 registered?
Mode-S code ABF499 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is ABF499 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABF499, octal 52772231, decimal 11,269,273.
What flights does ABF499 operate?
Mode-S ABF499 has broadcast 1 distinct callsign, including N87GF.